DWO Emergency Response 3

Question 1

What signal is used internationally to indicate 'Abandon Ship'?

Accepted Answer

More than 6 short blasts followed by 1 long blast on the ship's whistle

Answer

SOLAS specifies the abandon-ship signal as more than 6 short blasts followed by 1 long blast on the ship's whistle or alarm.

Question 2

Which class of fire involves energized electrical equipment?

Accepted Answer

Class C

Answer

Class C fires involve energized electrical equipment; the extinguishing agent must be non-conductive to prevent electrocution.

Question 3

When using an EPIRB, which satellite system receives the 406 MHz distress signal?

Accepted Answer

COSPAS-SARSAT

Answer

COSPAS-SARSAT is the international satellite system that receives and processes 406 MHz EPIRB distress signals and relays them to rescue coordination centers.

Question 4

A vessel is taking on water rapidly. Which of the following is the correct priority order under damage control principles?

Accepted Answer

Close watertight doors, locate the breach, stop flooding, dewater

Answer

Closing watertight doors limits flooding spread, finding the breach allows targeted plugging, and dewatering follows only after flooding is controlled.

Question 5

A fire in the paint locker should be fought using which method FIRST?

Accepted Answer

Fixed CO2 or foam smothering system, keeping the space sealed

Answer

Smothering agents applied through fixed systems without opening the locker prevent oxygen from feeding the fire and avoid exposing crew to toxic fumes.

(DWO) Deck Watch Officer Practice Test

(DWO) Deck Watch Officer Practice Test

DWO Emergency Response 3